ISO 15712-4-2005 建筑声学.从建筑构件性能评定建筑物声学性能.第4部分:室内声音传播到室外

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【英文标准名称】:Buildingacoustics-Estimationofacousticperformanceofbuildingsfromtheperformanceofelements-Part4:Transmissionofindoorsoundtotheoutside
【原文标准名称】:建筑声学.从建筑构件性能评定建筑物声学性能.第4部分:室内声音传播到室外
【标准号】:ISO15712-4-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanStandarddescribesacalculationmodelforthesoundpowerlevelradiatedbytheenvelopeofabuildingduetoairbornesoundinsidethatbuilding,primarilybymeansofmeasuredsoundpressurelevelsinsidethebuildingandmeasureddatawhichcharacterizethesoundtransmissionbytherelevantelementsandopeningsinthebuildingenvelope.Thesesoundpowerlevels,togetherwiththoseofothersoundsourcesinorinfrontofthebuildingenvelope,formthebasisforthecalculationofthesoundpressurelevelatachosendistancefromabuildingasameasurefortheacousticperformanceofbuildings.ThepredictionoftheinsidesoundpressurelevelfromknowledgeoftheindoorsoundsourcesisoutsidethescopeofthisEuropeanStandard.ThepredictionoftheoutdoorsoundpropagationisoutsidethescopeofthisEuropeanStandard.NOTEForsimplepropagationconditionsanapproachisgivenfortheestimationofthesoundpressurelevelininformativeannexE.ThisEuropeanStandarddescribestheprinciplesofthecalculationmodel,liststherelevantquantitiesanddefinesitsapplicationsandrestrictions.Itisintendedforacousticalexpertsandprovidestheframeworkforthedevelopmentofapplicationdocumentsandtoolsforotherusersinthefieldofbuildingconstruction,takingintoaccountlocalcircumstances.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:23P;A4
【正文语种】:英语


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【英文标准名称】:Connectorsforelectronicequipment-Printedboardconnectors-Part4-113:Detailspecificationfortwo-partconnectorshaving5rowswithagridof2,54mmforprintedboardsandbackplanesinbusapplications(IEC61076-4-113:2002);GermanversionEN6
【原文标准名称】:电子设备连接器.印制板连接器.第4-113部分:总线装置中印制板和背板用格栅为2.5mm的5列两件式连接器详细规范
【标准号】:EN61076-4-113-2003
【标准状态】:现行
【国别】:
【发布日期】:2003-08
【实施或试行日期】:2003-08-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;额定值;数字工程;印制电路板;直流电压;低频;连接器元件;电气工程;详细规范;数据总线;格栅;底板;试验;定义;模块尺寸;连接;型式;数字的;表示法;电插头;印制电路
【英文主题词】:Backpanels;Connections;Connectorelements;Databus;Definition;Definitions;Detailspecification;Digital;Digitalengineering;Directvoltage;Electricplugs;Electricalengineering;Grids;Inspection;Lowfrequencies;Modulardimensions;Printedcircuits;Printed-circuitboards;Ratings;Representations;Testing;Types
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:31_220_10
【页数】:39P.;A4
【正文语种】:英语


【英文标准名称】:TestMethodforEstimationofSolubilityofGasesinPetroleumandOtherOrganicLiquids
【原文标准名称】:石油和其他有机液体中气体溶解度的评估用试验方法
【标准号】:ANSI/ASTMD3827-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:估计;气体;润滑剂;石油;石油产品;测试
【英文主题词】:Estimation;Gases;Lubricants;Petroleum;Petroleumproducts;Testing
【摘要】:Thistestmethodcoversaprocedureforestimatingtheequilibriumsolubilityofseveralcommongasesinpetroleumandsyntheticlubricants,fuels,andsolvents,attemperaturesbetween0and488K.Thistestmethodislimitedtosystemsinwhichpolarityandhydrogenbondingarenotstrongenoughtocauseseriousdeviationsfromregularity.SpecificallyexcludedaresuchgasesasHCl,NH3,andSO2,andhydroxyliquidssuchasalcohols,glycols,andwater.EstimatingthesolubilityofCO2innonhydrocarbonsisalsospecificallyexcluded.Highlyaromaticoilssuchasdiphenoxyphenyleneethersviolatethestatedaccuracyabove363K,atwhichpointtheestimatefornitrogensolubilityis43%higherthantheobservation.Lubricantsaregivenpreferenceinthistestmethodtotheextentthatcertainempiricalfactorswereadjustedtothelubricantdata.Estimatesfordistillatefuelsaremadefromthelubricantestimatesbyafurthersetofempiricalfactors,andarelessaccurate.Estimatesforhalogenatedsolventsaremadeasiftheywerehydrocarbons,andaretheleastaccurateofthethree.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_040
【页数】:
【正文语种】:英语